- #1

- 11

- 0

then find [tex]\left | a \right |[/tex] ?

one way is to put a=x+iy

any other short way ?

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- Thread starter aviravir1
- Start date

- #1

- 11

- 0

then find [tex]\left | a \right |[/tex] ?

one way is to put a=x+iy

any other short way ?

- #2

- 11

- 0

No coments ?

- #3

- 907

- 2

http://en.wikipedia.org/wiki/Cardano_formula#General_formula_of_roots

I don't see any obvious simple way. Roots seem badly irrational.

- #4

- 11

- 0

[/tex]

now will that help in any way making the soln shorter....i guess not..but still will it?

- #5

- 907

- 2

http://www.wolframalpha.com/input/?i=i*+(b+++3+++4*i)^3+(b+++3+++4*i)^2-(b+++3+++4*i)+1

Should it? If it should, double check the equations ...

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